package com.jcf.springboot.service.impl;

import com.aliyun.oss.ClientBuilderConfiguration;
import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.common.auth.CredentialsProviderFactory;
import com.aliyun.oss.common.auth.EnvironmentVariableCredentialsProvider;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;
import com.jcf.springboot.service.UploadService;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
/**
 * @author ${chaofan.ji}
 * @since 2025/4/15
 */
@Service
public class UploadServiceImpl implements UploadService {
  @Override
  public void uploadOss(MultipartFile filePath){

        // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
        String endpoint = "https://oss-cn-beijing.aliyuncs.com";
        // 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
    EnvironmentVariableCredentialsProvider credentialsProvider = null;
    try
    {
      credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
    }
    catch (com.aliyuncs.exceptions.ClientException e)
    {
      e.printStackTrace();
    }
    // 填写Bucket名称，例如examplebucket。
        String bucketName = "jcf-guli-edu";
        // 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。
  String filename =  filePath.getOriginalFilename().substring(0,filePath.getOriginalFilename().lastIndexOf("?"));
        String objectName = "avatar/"+filename;
        // 填写本地文件的完整路径，例如D:\\localpath\\examplefile.txt。
        // 如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件流。
//        String filePath= filepath;
        // 填写Bucket所在地域。以华东1（杭州）为例，Region填写为cn-hangzhou。
        String region = "cn-beijing";

        // 创建OSSClient实例。
        ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
        clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);
        OSS ossClient = OSSClientBuilder.create()
         .endpoint(endpoint)
         .credentialsProvider(credentialsProvider)
         .clientConfiguration(clientBuilderConfiguration)
         .region(region)
         .build();

        try {
          InputStream inputStream = filePath.getInputStream();
          // 创建PutObjectRequest对象。
          PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, objectName, inputStream);
          // 创建PutObject请求。
          PutObjectResult result = ossClient.putObject(putObjectRequest);
          System.out.println(result);
        } catch (OSSException oe) {
          System.out.println("Caught an OSSException, which means your request made it to OSS, "
                              + "but was rejected with an error response for some reason.");
          System.out.println("Error Message:" + oe.getErrorMessage());
          System.out.println("Error Code:" + oe.getErrorCode());
          System.out.println("Request ID:" + oe.getRequestId());
          System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
          System.out.println("Caught an ClientException, which means the client encountered "
                              + "a serious internal problem while trying to communicate with OSS, "
                              + "such as not being able to access the network.");
          System.out.println("Error Message:" + ce.getMessage());
        }
        catch (FileNotFoundException e)
        {
          e.printStackTrace();
        }
        catch (IOException e)
        {
          e.printStackTrace();
        }
        finally {
          if (ossClient != null) {
            ossClient.shutdown();


      }
    }
  }
}
